Full Stack Software Engineer II

Overview

Software Engineer II We are seeking a Software Engineer II to join our client's core team and help scale the platform. The engineer will own key features across web and mobile, integrate with payment APIs, and ensure systems remain reliable and performant. This role involves close collaboration with the CTO and a high-trust engineering team to shape a best-in-class payments experience.

• Build, maintain, and improve core user experiences using Next.js, Type Script, and Tailwind CSS

• Design and optimize APIs and backend services in Node and deployed on Google Cloud Platform

• Manage data at scale with Firestore for real-time needs and Postgre
  
  SQL for structured storage

• Integrate with third-party payment providers and financial APIs to enable seamless, secure bill payments

• Own projects end-to-end, from technical scoping through deployment and monitoring

• Collaborate cross-functionally with product, design, and other stakeholders to ship fast and iterate quickly

• 3+ years of professional experience as a full-stack developer

• Deep proficiency in React (Next.js), Type Script, JavaScript, and Node.js

• Proven track record designing and maintaining reliable APIs and backend systems

• Hands-on experience with Firestore, Postgre
  
  SQL, and cloud platforms (GCP preferred)

• Strong sense of ownership and comfort working in a fast-paced startup environment

• Excellent communication skills, able to work with both technical and non-technical collaborators

• Experience with financial APIs, payments integrations, or PCI-compliant systems

• Exposure to mobile development (React Native or similar)

• Familiarity with CI/CD pipelines, open-source contributions, or greenfield product work

• Prior experience at early-stage startups

• Meaningful impact: your work directly shapes the product roadmap and payment experience

• Collaborative culture: join a lean, high-trust team where your voice is heard

• Growth opportunities: learn new technologies and advance your career as the company scales